Update app.py

app.py

@@ -1,3 +1,5 @@
+
+
 import streamlit as st
 from transformers import pipeline
 
@@ -8,6 +10,6 @@ text = st.text_area("Enter some text!")
 
 if text:
     out = pipe(text)
-
-    
     st.json(out[0]['label'] + " : " + out[0]['score'])
+else:
+    st.warning("Please enter some text for sentiment analysis.")